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9-sinf Informatika olimpiada

InfoMaster

May 31, 2022

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9-sinf Informatika olimpiada

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1. asin(x) funksiyaning vazifasini toping

A) x ning arksinusini hisoblaydi

B) x ning arktangensini hisoblaydi

C) x ning tangensini hisoblaydi

D) x ning arkkosinusini hisoblaydi

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2. acos(x) funksiyaning vazifasini toping

A) x ning arkkosinusini hisoblaydi

B) x ning tangensini hisoblaydi

C) x ning arksinusini hisoblaydi

D) x ning arktangensini hisoblaydi

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3. from math import *
a=225 s=sqrt(a)-pow(15 , 2)
print(s) dastur natijasini toping

A) -210

B) -100

C) 200

D) 110

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4. from math import *
a=144 s=sqrt(a)-pow(8,1)
print(s)
dastur natijasini toping

A) 7

B) 6

C) 4

D) 5

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5. from math import *
a=16 s=sqrt(a)*pow(2,2)
print(s) dastur natijasini toping

A) 13

B) 16

C) 15

D) 14

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6. Pythonda takrorlanishlar soni nomaʼlum bo‘lganda qo'llaniladigan operator qaysi?

A) while

B) repeat

C) for

D) while..do

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7. MS Excelda I8 yacheychadagi “=F$4-$J11” formulani L4 katakdagi nusxasini ko‘rsating?

A) =I$1-$J7

B) =$I4-$J11

C) =I$4-$J7

D) =I$8-$J15

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8. “CHEVROLET” so‘zi harflarini kodlash uchun eng kam bit talab etiladigan ikkilikda tekis kodlash usulidan foydalanilgan. Shu bilan birga, ikkilikdagi kodlar o‘sib borish tartibi ingliz alifbosi harflarining o‘sish tartibiga moslashtirilgan. R harfi kodini toping.

A) 110

B) 101

C) 011

D) 100

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9. Kompyuterga dasturiy ta’minotni o‘rnatish jarayoni ............... deyiladi.

A) installyatsiya

B) defragmentatsiya

C) arxivlash

D) deinstallyatsiya

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10. Bir sanoq sistemasida o‘nlik sanoq sistemasidagi 144 soni 100 kabi yoziladi. Sanoq sistemasi asosini aniqlang.

A) 12

B) 11

C) 13

D) 15

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11. MS Excel. A1=–3, B1=7, B2=2 bo‘lsin. Quyidagi formula natijasi –15 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) 2

B) 4

C) 1

D) 6

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12. 516 va 457 sonlar yig‘indisidan 366 sonini ayirmasi hisoblanganda, 607soni hosil bo‘ldi. Yig‘indi qaysi sanoq sistemasida bajarilgan?

A) 9

B) 10

C) 12

D) 8

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13. MS Excel. Quyidagi formula natijasini aniqlang: =КОРЕНЬ(НОК(60;45;80)+ДЛСТР(ПРАВСИМВ("texnologiyalar";9)))

A) 18

B) 27

C) 9

D) 16

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14. MS Excel. A1=–3, B1=7, B2=2 bo‘lsin. Quyidagi formula natijasi –15 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) 1

B) 2

C) 6

D) 4

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15. 86 sahifadan iborat axborot bor. Har bir sahifada 48 ta satr, har bir satrda 72 tadan belgi bor. Axborot hajmini bit o‘lchov birligidagi qiymatining kilobayt o‘lchov birligidagi qiymatiga nisbatini aniqlang?

A) 324,5

B) 8192

C) 2377728

D) 290,25

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16. MS Excel. A1=57, Bl=114, Cl=4, A2=228, B2=285, C2=Avtomexanik berilgan bo‘lsa, =ПСТР(С2;5+СЧЁТЕСЛИ(А1:B2; ”>56”);C1) formula qiymatini toping.

A) Avtom

B) anik

C) mex

D) exanik

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17. А, B, C, D harflarni kodlash uchun ikki razryadli ketma-ket ikkilik sonlari qo‘llandi (mos ravishda, 00 dan 11 gacha). Agar shu usulda DBCA belgilar ketma-ketligi kodlansa va natija o‘n oltilik kodda yozilsa, u holda … hosil bo‘ladi.

A) DBCA

B) 3120

C) 138

D) D8

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18. Quyidagi mantiqiy ifodaga teng kuchli ifodani toping. ˥A˄˥(B˅˥C)

A) A˅(B˅˥C)

B) A˄˥B

C) ˥A˄˥(B˄C)

D) ˥A˄˥B˄C

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19. MS Excelda B2=7 ga, D5= -3 bo`lganda. Quyidagi formula natijasinianiqlang: =ЕСЛИ(D5>B2;ДЛСТР(ЗАМЕНИТЬ("Olimpiada";2;5;"sam"));СЧЁТЕСЛИ(A1:E6;""))

A) 28

B) 0

C) 5

D) 7

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20. O’nlik asosga ega sanoq tizimida 274 soni 1AA shaklida yoziladi. Ushbu asosni 4 lik sanoq sistemasida ko‘rsating?

A) 100

B) 12

C) 110

D) 30

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21. Uchburchak katetlaridan biri 36 ga (7 lik s.s), ikkinchisi esa 2A ga (13 lik s.s) teng. Uchburchakning gipotenuzasini 9 lik sanoq sistemasida toping.

A) 52

B) 48

C) 53

D) 50